All names: Gaia EDR3 3161497015379649280, TIC 445998574, SDSS J070718.60+140058.3, Gaia DR3 3161497015379649280, Gaia DR2 3161497015379649280, SDSSJ070718.60+140058.3, 2MASS J07071858+1400581, LAMOST J070718.60+140058.2
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 07 18.61 (0.05) | 07 07 18.60 | 07 07 18.60 (0.05) | ||
| Declination | 14 00 58.28 (0.05) | 14 00 58.26 | 14 00 58.34 (0.05) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 36280.0 (339) | |||
| log(g) | [cgs] | 6.09 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.75 (0.06) | 0.98 (0.1) | 0.75 (0.06) | |
| Distance | [pc] | 1334.76 (99) | 1023.02 (100) | 1334.76 (99) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 7.017 (0.06) | 7.006 (0.1) | 7.017 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.986 (0.06) | -4.141 (0.1) | -3.986 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.14 (0.1) | 16.14 (0.1) | |||
| H magnitude | 16.37 (0.2) | 16.37 (0.2) | |||
| K magnitude | 15.76 (0.2) | 15.76 (0.2) | |||
| u magnitude | 14.82 (0.004) | 14.84 (0.01) | |||
| g magnitude | 15.14 (0.004) | 15.16 (0.01) | |||
| r magnitude | 15.65 (0.004) | 15.63 (0.007) | |||
| i magnitude | 16.01 (0.004) | 16.00 (0.009) | |||
| z magnitude | 16.31 (0.008) | 16.31 (0.01) | |||
| G magnitude | 15.40 (0.003) | 15.42 (0.0009) | 15.40 (0.003) | ||
| BP magnitude | 15.25 (0.004) | 15.18 (0.01) | |||
| RP magnitude | 15.70 (0.006) | 15.70 (0.004) | |||
| Pan g magnitude | 15.23 (0.0007) | ||||
| Pan r magnitude | 15.67 (0.002) | ||||
| Pan i magnitude | 16.04 (0.003) | ||||
| Pan z magnitude | 16.32 (0.004) | ||||
| Pan y magnitude | 16.51 (0.01) | ||||
| E(B-V) | 0.062 | ||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.